Mercurial > hg > nginx-quic
annotate src/event/ngx_event_recv.c @ 62:8ccba41a678e
nginx-0.0.1-2003-02-12-09:55:42 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Wed, 12 Feb 2003 06:55:42 +0000 |
parents | 50186b49f2ad |
children | 5a7d1aaa1618 |
rev | line source |
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nginx-0.0.1-2002-08-06-20:39:45 import
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1 |
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2 #include <ngx_config.h> |
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3 #include <ngx_core.h> |
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4 #include <ngx_errno.h> |
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5 #include <ngx_log.h> |
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6 #include <ngx_recv.h> |
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7 #include <ngx_connection.h> |
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8 |
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9 ssize_t ngx_event_recv_core(ngx_connection_t *c, char *buf, size_t size) |
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10 { |
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11 int n; |
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12 ngx_err_t err; |
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13 |
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14 if (c->read->timedout) { |
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nginx-0.0.1-2002-08-26-19:18:19 import
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15 ngx_set_socket_errno(NGX_ETIMEDOUT); |
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16 ngx_log_error(NGX_LOG_ERR, c->log, NGX_ETIMEDOUT, "recv() failed"); |
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17 return NGX_ERROR; |
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18 } |
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19 |
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20 #if (HAVE_KQUEUE) |
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21 ngx_log_debug(c->log, "ngx_event_recv: eof:%d, avail:%d, err:%d" _ |
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22 c->read->eof _ c->read->available _ c->read->error); |
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23 #endif |
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24 |
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25 #if (USE_KQUEUE) |
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26 |
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27 if (c->read->eof && c->read->available == 0) { |
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28 if (c->read->error) { |
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29 ngx_log_error(NGX_LOG_ERR, c->log, c->read->error, |
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30 "recv() failed"); |
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31 return NGX_ERROR; |
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32 } |
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33 |
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34 return 0; |
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35 } |
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36 |
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37 #elif (HAVE_KQUEUE) |
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38 |
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39 if (ngx_event_type == NGX_HAVE_KQUEUE_EVENT) { |
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40 if (c->read->eof && c->read->available == 0) { |
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41 if (c->read->error) { |
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42 ngx_log_error(NGX_LOG_ERR, c->log, c->read->error, |
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43 "recv() failed"); |
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44 return NGX_ERROR; |
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45 } |
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46 |
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47 return 0; |
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48 } |
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49 } |
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50 |
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51 #endif |
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52 |
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53 n = ngx_recv(c->fd, buf, size, 0); |
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54 |
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55 if (n == -1) { |
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56 err = ngx_socket_errno; |
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57 |
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58 if (err == NGX_EAGAIN) { |
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59 ngx_log_error(NGX_LOG_INFO, c->log, err, "recv() returns EAGAIN"); |
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60 return NGX_AGAIN; |
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61 } |
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62 |
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63 ngx_log_error(NGX_LOG_ERR, c->log, err, "recv() failed"); |
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64 return NGX_ERROR; |
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65 } |
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66 |
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67 #if (USE_KQUEUE) |
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68 |
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69 c->read->available -= n; |
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70 |
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71 #elif (HAVE_KQUEUE) |
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72 |
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73 if (ngx_event_type == NGX_HAVE_KQUEUE_EVENT) { |
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74 c->read->available -= n; |
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75 } |
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76 |
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77 #endif |
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78 |
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79 return n; |
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80 } |